6444106 has 4 divisors (see below), whose sum is σ = 9666162. Its totient is φ = 3222052.

The previous prime is 6444083. The next prime is 6444121. The reversal of 6444106 is 6014446.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6014446 = 2 ⋅3007223.

It can be written as a sum of positive squares in only one way, i.e., 4730625 + 1713481 = 2175^2 + 1309^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611025 + ... + 1611028.

Almost surely, 2^6444106 is an apocalyptic number.

6444106 is a deficient number, since it is larger than the sum of its proper divisors (3222056).

6444106 is a wasteful number, since it uses less digits than its factorization.

6444106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222055.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 6444106 is about 2538.5243745137. The cubic root of 6444106 is about 186.0890813128.

The spelling of 6444106 in words is "six million, four hundred forty-four thousand, one hundred six".